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Which of the following are correct for r...

Which of the following are correct for rolling friction

A

The extent of deformation of the surfaces in content

B

It is lesser than kinetic and limiting friction

C

It is inversely proportional to the radius of the rolling body.

D

All the above

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The correct Answer is:
D
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AAKASH SERIES-LAWS OF MOTION-EXERCISE - I
  1. A block 'B' rests on 'A'. A rests on a horizontal surface 'C which is ...

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  2. Sand is dusted on the railway tracks during rainy season to

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  3. Which of the following are correct for rolling friction

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  4. If an external force and the frictional force acting on a body cancel ...

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  5. Which of the following statements is not true ?

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  6. When normal reaction is halved the coefficient of friction is

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  7. Match the items mentioned in the lists I and II below LIST -1 a) S...

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  8. With increase of temperature, the frictional force acting between two ...

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  9. If we imagine two ideally smooth surfaces & if they are kept in contac...

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  10. The angle made by the resultant of normal reaction and limiting value ...

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  11. Two bodies of different masses are dropped simultaneously from same he...

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  12. A block of mass M is being pulley along horizontal surface .The coeffi...

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  13. A cycle is fitted with small brakes and another is fitted with very bi...

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  14. (A) : When a bicycle is in motion, the force of friction exerted by th...

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  15. In the figure, masses m(1), m(2) and M are 20kg, 5kg, and 50kg respect...

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  16. Two masses m(1) and m(2) (m(1) gt m(2)) are falling from the same he...

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  17. Which of the following is correct

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  18. Explain why a high pressure tyre roll more easily than a low pressure ...

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  19. Matching block type LIST - I (a) Two rotating discs are brought...

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  20. The limiting friction between two bodies in contact is independent of

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